Home / 8,488.44-12,732.60-7,393.56

Finding the Fourth Proportional to 8,488.44, 12,732.60 and 7,393.56

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Solution

The fourth proportional to 8,488.44, 12,732.60 and 7,393.56 is: 11,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.44 : 12,732.60 = 7,393.56 : x
  2. Step 2: Convert to fraction form
    8,488.44/12,732.60 = 7,393.56/x
  3. Step 3: Cross multiply
    8,488.44x = 12,732.60 × 7,393.56
  4. Step 4: Simplify right side
    8,488.44x = 94,139,242.06
  5. Step 5: Solve for x
    x = 94,139,242.06/8,488.44
  6. Step 6: Final answer
    x = 11,090.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.